Finding the Fourth Proportional to 177,147,207.40, 265,720,811.10 and 149,087,122.60
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Solution
The fourth proportional to 177,147,207.40, 265,720,811.10 and 149,087,122.60 is: 223,630,683.90
Step by Step Solution
- Step 1: Write the proportion equation
177,147,207.40 : 265,720,811.10 = 149,087,122.60 : x - Step 2: Convert to fraction form
177,147,207.40/265,720,811.10 = 149,087,122.60/x - Step 3: Cross multiply
177,147,207.40x = 265,720,811.10 × 149,087,122.60 - Step 4: Simplify right side
177,147,207.40x = 39,615,551,141,837,136 - Step 5: Solve for x
x = 39,615,551,141,837,136/177,147,207.40 - Step 6: Final answer
x = 223,630,683.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.